April 23, 2014

Homework Help: Math for Ms. Sue please! Last math questions!

Posted by Delilah on Sunday, March 3, 2013 at 8:26pm.

For numbers 13, find the indicated measurement of the figure described. Use 3.14 for pi and round to the nearest tenth.

Find the surface area of a sphere with a radius of 8 cm.

267.9 cm^2
803.8 cm^2
2143.6 cm^2
201.0 cm^2

Find the surface area of a sphere with a diameter of 12 m.

452.2 m^2
150.7 m^2
113.0 m^2
904.3 m^2

Find the volume of a sphere with a radius of 4 ft.

33.5 ft^3
67.0 ft^3
267.9 ft^3
803.8 ft^3

A pyramid has a height of 5 in. and a surface area of 90 in^2. Find the surface area of a similar pyramid with a height of 10 in. Round to the nearest tenth, if necessary.

360 in^2
180 in^2
22.5 in^2
3.6 in^2

My answers:
1. 803.8 cm^2
2. 452.2 m^2
3. 267.9 ft^3
4. ??????

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